Since 1976 JSI has provided teachers with exceptional customer service. By offering the best rental program in the country, a vast selection of new and antique instruments and bows, sheet music, method books, teaching aids, and every imaginable stringed instrument accessory, we help teachers maintain their teaching studios.

Infeld Blue strings radiate strong power and brilliance. Wound on an advanced synthetic core, the Infeld string system is designed to cover the entire tonal spectrum, enabling players to achieve string-by-string tonal preferences without the headaches of uneven string-to-string tensions.

Mix and match within the Infeld Red and Blue string system to realize your sound ideas. The perfectly attuned strings with identical tension enable you to modify your tone and assemble your sound to your individual liking, personal needs, and unique style.